... wire feeder structure, 3.Advanced Single IGBT Inverter Technolog. Tube IGBT Inverter CO2 MIG Welding Machine MIG280G Model:MIG200Y/250Y ... Low Carbon Steel, High Tensile Steel, Ordinary steelAdvanced Inverter Technology: The inverter frequency is up to 100KHZ and conversion efficiency to ... spark and nice welding seam;6.Highly stable feeding power makes wire feeding very stable;7.Deep welding fusion, ...